k3s/vendor/sigs.k8s.io/kustomize/kyaml/fn/runtime/exec/exec.go

37 lines
775 B
Go

// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package exec
import (
"io"
"os"
"os/exec"
"sigs.k8s.io/kustomize/kyaml/fn/runtime/runtimeutil"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
type Filter struct {
// Path is the path to the executable to run
Path string `yaml:"path,omitempty"`
// Args are the arguments to the executable
Args []string `yaml:"args,omitempty"`
runtimeutil.FunctionFilter
}
func (c *Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
c.FunctionFilter.Run = c.Run
return c.FunctionFilter.Filter(nodes)
}
func (c *Filter) Run(reader io.Reader, writer io.Writer) error {
cmd := exec.Command(c.Path, c.Args...)
cmd.Stdin = reader
cmd.Stdout = writer
cmd.Stderr = os.Stderr
return cmd.Run()
}